Mattress bed encasement



FIG. 1 is a top perspective view of a mattress bed encasement;

FIG. 2 is a top view of the mattress bed encasement in FIG. 1;

FIG. 3 is a bottom perspective view of the mattress bed encasement in FIG. 1;

FIG. 4 is a bottom view of the mattress bed encasement in FIG. 1;

FIG. 5 is a left side view of the mattress bed encasement in FIG. 1. The right side is identical thereto;

FIG. 6 is a front view of the mattress bed encasement in FIG. 1; and,

FIG. 7 is a rear view of the mattress bed encasement in FIG. 1. 

The ornamental design for mattress bed encasement, as shown and described. 